(19)
(11) EP 2 885 763 A1

(12)

(43) Date of publication:
24.06.2015 Bulletin 2015/26

(21) Application number: 12891393.6

(22) Date of filing: 12.09.2012
(51) International Patent Classification (IPC): 
G06Q 50/24(2012.01)
H04L 9/14(2006.01)
(86) International application number:
PCT/US2012/054885
(87) International publication number:
WO 2014/028039 (20.02.2014 Gazette 2014/08)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 15.08.2012 US 201261683705 P
15.08.2012 US 201261683702 P

(71) Applicant: Hewlett-Packard Development Company, L.P.
Houston, TX 77070 (US)

(72) Inventors:
  • LI, Jun
    Palo Alto, California 94304-1100 (US)
  • SWAMINATHAN, Ram
    Palo Alto, California 94304-1100 (US)
  • SINGHAL, Sharad
    Palo Alto, California 94304-1100 (US)

(74) Representative: Zimmermann, Tankred Klaus et al
Schoppe, Zimmermann, Stöckeler Zinkler, Schenk & Partner mbB Patentanwälte Radlkoferstrasse 2
81373 München
81373 München (DE)

   


(54) METADATA TREE WITH KEY ROTATION INFORMATION